diff options
| author | Mugunthan V N <mugunthanvnm@ti.com> | 2014-10-13 22:21:07 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-10-14 15:59:38 -0400 |
| commit | 030b16a0e37ff2a870dd57c5da89c1741c683684 (patch) | |
| tree | c29969d26c1d0abd921d10f728f49554ba9714c8 | |
| parent | fc7a99fb71b83f811e2c013ab55e507048153f23 (diff) | |
| download | linux-030b16a0e37ff2a870dd57c5da89c1741c683684.tar.bz2 | |
drivers: net: cpsw: remove child devices while driver detach
remove all the child devices from the system to make sure that re-insert of
cpsw module doesn't fail on child device populated by of_platform_populate().
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index ab167dc49ce4..952e1e4764b7 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2392,6 +2392,15 @@ clean_ndev_ret: return ret; } +static int cpsw_remove_child_device(struct device *dev, void *c) +{ + struct platform_device *pdev = to_platform_device(dev); + + of_device_unregister(pdev); + + return 0; +} + static int cpsw_remove(struct platform_device *pdev) { struct net_device *ndev = platform_get_drvdata(pdev); @@ -2406,6 +2415,7 @@ static int cpsw_remove(struct platform_device *pdev) cpdma_chan_destroy(priv->rxch); cpdma_ctlr_destroy(priv->dma); pm_runtime_disable(&pdev->dev); + device_for_each_child(&pdev->dev, NULL, cpsw_remove_child_device); if (priv->data.dual_emac) free_netdev(cpsw_get_slave_ndev(priv, 1)); free_netdev(ndev); |